NUMERICAL ANALYSIS ON BLAST RESISTANT CAPABILITY OF REINFORCED CONCRETE SLAB

【Author】

Zhongxian Li~*,Tianjin University,China Hao Du,Tianjin University,China

【Abstract】

<正>Reinforced concrete slabs of the critical structures,such as embassies, government buildings and power plants,need to be designed to resist blast loading. In order to design the reinforced concrete slabs properly,the dynamic response of reinforced concrete slab under blast loading should be studied first.In this paper,the numerical model of reinforced concrete slab is established using the explicit dynamic analysis software.Both the strain rate effect and the damage accumulation are taken into account in the material model.The dynamic responses of the reinforced concrete slabs subjected to blast loading with different equivalent masses of TNT are analyzed Parametric studies are also carried out to investigate the influence of concrete strength,thickness and reinforcement ratio on the blast resistant behavior of the reinforced concrete slab.Based on the numerical results,some principles in blast resistant design are proposed to improve the blast resistant capability of the reinforced concrete slab.

【Keywords】

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Total: 12 articles

• [1] ZHANG Feng guo, LI En zheng (Institute of Applied Physics and Computational Mathematics,Beijing 100088,China), A Computational Model for Concrete Subjected to Large Strains,High Strain Rates,and High Pressures, Explosion and Shock Waves,
• [2] ZHOU Xiaoqing,HAO Hong,KUZNETSOV Valerian A,WASCHL John (School of Civil and Resource Engineering, The University of Western Australia, Australia; Weapons System Division, Defence Science and Technology Organisation, Department of Defence, Australia), Numerical Calculation of Concrete Slab Response to Blast Loading, Transactions of Tianjin University,
• [3] LI Zhongxian, DU Hao, BAO Chunxiao (School of Civil Engineering, Tianjin University, Tianjin 300072, China), A Review of Current Researches on Blast Load Effects on Building Structures in China, Transactions of Tianjin University,
• [4] Hsin Yu Low;;Hong Hao, Reliability analysis of direct shear and flexural failure modes of RC slabs under explosive loading, Engineering Structures,

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